Monthly average concentrations
Measuring period: April 1994 - March 1995| Period | Nr. of samples | Cavg (ug/m3) | C50
(ug/m3) | Cmax (ug/m3) |
C95 (ug/m3) | C98 (ug/m3) |
| All | 365 | 35 | 32 | 122 | 65 | 78 |
| Summer | 153 | 33 | 30 | 90 | 58 | 78 |
| Winter | 151 | 38 | 33 | 125 | 65 | 79 |